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    • 1. 发明专利
    • Method for producing xylene
    • 生产XYLENE的方法
    • JP2012240997A
    • 2012-12-10
    • JP2011115637
    • 2011-05-24
    • Jx Nippon Oil & Energy CorpJx日鉱日石エネルギー株式会社Chiyoda Kako Kensetsu Kk千代田化工建設株式会社
    • YANAGAWA SHINICHIROFUJIYAMA YUICHIROIWASA YASUYUKIIDA RYOJIYASUI SUSUMUSUGI YOSHISHIGEFUKUI ATSUSHIUTATSU AKIRA
    • C07C6/12C07B61/00C07C15/08
    • C07C2/70C07C6/126C07C2529/87C10G11/05C10G29/205C10G35/065C10G45/64C10G69/04C10G2300/301C10G2400/30C07C15/08
    • PROBLEM TO BE SOLVED: To provide a method for producing xylene capable of selectively producing particularly xylene among highly value-added 6-8C monocyclic aromatic hydrocarbons.SOLUTION: The method for producing xylene involves producing xylene from an oil feedstock having a 10 vol.% distillation temperature of not lower than 135°C and a 90 vol.% distillation temperature of not higher than 380°C. The method comprises: a decomposition reforming reaction step in which a monocyclic aromatic hydrocarbons are produced by bringing the oil feedstock into contact with a catalyst; a separation and recovery step in which a fraction A, which contains a monocyclic aromatic hydrocarbons with a 10 vol.% distillation temperature of not lower than 75°C and a 90 vol.% distillation temperature of not higher than 140°C, a xylene fraction containing xylene, and a fraction B, which contains a monocyclic aromatic hydrocarbons with a 10 vol.% distillation temperature of not lower than 145°C and a 90 vol.% distillation temperature of not higher than 215°C, are separated and recovered from the product produced in the decomposition reforming reaction step; and a xylene conversion step in which a mixed fraction that is obtained by mixing the fraction A and fraction B is converted to xylene by bringing the mixed fraction into contact with a catalyst containing a solid acid.
    • 要解决的问题:提供一种生产二甲苯的方法,该二甲苯能够在高附加值的6-8C单环芳烃中选择性地生产二甲苯。 解决方案:二甲苯的制造方法包括从具有10体积%蒸馏温度不低于135℃和90体积%蒸馏温度不高于380℃的油原料生产二甲苯。 该方法包括:分解重整反应步骤,其中通过使油原料与催化剂接触来制备单环芳烃; 分离回收步骤,其中含有10体积%蒸馏温度不低于75℃,90体积%蒸馏温度不高于140℃的单环芳烃的馏分A,二甲苯 含有二甲苯的馏分和含有10体积%蒸馏温度不低于145℃和90体积%蒸馏温度不高于215℃的单环芳烃的级分B被分离和回收 从分解重整反应步骤中生产的产物; 和二甲苯转化步骤,其中将通过混合馏分A和馏分B获得的混合馏分通过使混合馏分与含有固体酸的催化剂接触而转化为二甲苯。 版权所有(C)2013,JPO&INPIT
    • 2. 发明专利
    • Method and apparatus for regenerating catalyst
    • 用于再生催化剂的方法和装置
    • JP2012240022A
    • 2012-12-10
    • JP2011115638
    • 2011-05-24
    • Jx Nippon Oil & Energy CorpJx日鉱日石エネルギー株式会社Chiyoda Kako Kensetsu Kk千代田化工建設株式会社
    • YANAGAWA SHINICHIROIWASA YASUYUKIKOBAYASHI MASAHIDEYASUI SUSUMUSUGI YOSHISHIGEFUKUI ATSUSHINAGUMO ATSUO
    • B01J38/12B01J29/06B01J29/90B01J38/20B01J38/34C10G11/05C10G11/18
    • PROBLEM TO BE SOLVED: To provide a method and an apparatus for regenerating a catalyst that use compact equipment and achieve easy control.SOLUTION: A catalyst for producing an aromatic is regenerated by the method for regenerating a catalyst. The method includes a waste catalyst introducing step to introduce a waste catalyst C into a low temperature zone 23 of a single-stage type catalyst regenerating vessel 21 of which the bottom side is divided into a low temperature zone 23 and a high temperature zone 24 by a partition wall 22, a first burning step to supply an oxygen-containing gas to the low temperature zone 23 and to burn hydrogen in cokes of the waste catalyst C, an overflow step in which the waste catalyst C overflows from the low temperature zone 23 to the high temperature zone 24 after the first burning step, a second burning step to supply an oxygen-containing gas to the high temperature zone 24 and to burn carbon in cokes of the waste catalyst C to form carbon dioxide, and a regenerated catalyst discharging step to discharge the catalyst regenerated in the second burning step from the high temperature zone 24.
    • 要解决的问题:提供一种使用紧凑型设备再生催化剂并实现易于控制的方法和装置。 解决方案:通过再生催化剂的方法再生用于生产芳族化合物的催化剂。 该方法包括废催化剂引入步骤,以将废催化剂C引入到单级催化剂再生容器21的低温区23中,其中底侧分为低温区23和高温区24,通过 隔壁22,向低温区23供给含氧气体并在废催化剂C的焦炭中燃烧氢的第一燃烧工序,废催化剂C从低温区23溢出的溢流工序 在第一燃烧步骤之后到高温区24,第二燃烧步骤向高温区24供应含氧气体,并且在废催化剂C的焦炭中燃烧碳以形成二氧化碳,再生催化剂排出 在第二次燃烧步骤中从高温区24排出再生的催化剂的步骤。版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Method for producing monocyclic aromatic hydrocarbon
    • 生产单环芳香烃的方法
    • JP2012201795A
    • 2012-10-22
    • JP2011067690
    • 2011-03-25
    • Jx Nippon Oil & Energy CorpChiyoda Kako Kensetsu KkJx日鉱日石エネルギー株式会社千代田化工建設株式会社
    • YANAGAWA SHINICHIROIDA RYOJIIWASA YASUYUKIKOBAYASHI MASAHIDEYASUI SUSUMUSUGI YOSHISHIGEFUKUI ATSUSHINAGUMO ATSUO
    • C10G69/04C07B61/00C07C4/26C07C15/02C10G11/05C10G45/44
    • PROBLEM TO BE SOLVED: To provide a method for producing a monocyclic aromatic hydrocarbon capable of suppressing extreme heat generation upon hydrogenation reaction and avoiding increase of equipment cost of a hydrogenation reactor.SOLUTION: The method for producing the monocyclic aromatic hydrocarbon having 6-8 carbon atoms has a breakdown/modification reaction step of bringing a starting material oil into reactive contact with a catalyst to obtain a product containing the monocyclic aromatic hydrocarbon, a purification/collection step of purifying and collecting monocyclic aromatic hydrocarbon isolated from the product generated in the breakdown/modification step, a hydrogenation reaction step of hydrogenating a heavy fraction isolated from the product generated in the breakdown/modification step, a dilution step of returning a portion of a hydrogenated product of the heavy fraction obtained in the hydrogenation reaction step to the hydrogenation reaction step as a dilution oil, and a recycling step of returning the hydrogenated product of the heavy fraction obtained in the hydrogenation reaction step to the breakdown/modification reaction step.
    • 解决的问题:提供一种能够抑制氢化反应时的极热发生的单环芳烃的制造方法,避免氢化反应器的设备成本的增加。 解决方案:制备具有6-8个碳原子的单环芳烃的方法具有使原料油与催化剂反应接触的分解/改性反应步骤,得到含有单环芳烃的产物,纯化 从分解/改性步骤产生的产物中分离纯化和收集单环芳烃的收集步骤,氢化反应步骤,氢化从分解/改性步骤产生的产物分离的重馏分;稀释步骤, 将氢化反应工序中得到的重质馏分的氢化物作为稀释油进行氢化反应工序,使氢化反应工序中得到的重质馏分的氢化物返回至破坏/改性反应工序 。 版权所有(C)2013,JPO&INPIT
    • 9. 发明专利
    • Method for producing monocyclic aromatic hydrocarbon
    • 生产单环芳香烃的方法
    • JP2012201797A
    • 2012-10-22
    • JP2011067692
    • 2011-03-25
    • Jx Nippon Oil & Energy CorpChiyoda Kako Kensetsu KkJx日鉱日石エネルギー株式会社千代田化工建設株式会社
    • YANAGAWA SHINICHIROKOBAYASHI MASAHIDEIDA RYOJIYASUI SUSUMUSUGI YOSHISHIGEFUKUI ATSUSHINAGUMO ATSUO
    • C10G69/04C07B61/00C07C5/13C07C15/04C07C15/06C07C15/08C10G11/05C10G11/18C10G45/44
    • C07C4/06C10G69/04C10G69/10C10G2300/4081C10G2400/30Y02P20/582
    • PROBLEM TO BE SOLVED: To provide a method for producing a monocyclic aromatic hydrocarbon capable of producing a monocyclic aromatic hydrocarbon having 6-8 carbon atoms with high yield from a starting material oil containing a polycyclic aromatic hydrocarbon.SOLUTION: The method for producing the monocyclic aromatic hydrocarbon has a breakdown/modification reaction step of obtaining a product by introducing the starting material oil into a breakdown/modification reaction vessel and bringing the starting material oil into reactive contact with a catalyst, a purification/collection step of purifying and collecting the monocyclic aromatic hydrocarbon isolated from the product generated in the breakdown/modification reaction step, a hydrogenation reaction step of hydrogenating the heavy fraction isolated from the product generated in the breakdown/modification reaction step, and a recycling step of returning the hydrogenated product of the heavy fraction obtained in the hydrogenation reaction step to the breakdown/modification reaction step. In the recycling step, the hydrogenated product of the heavy fraction is introduced to the breakdown/modification reaction vessel at a different position from the position of introduction of the starting material oil in a manner so that the time for the product of the heavy fraction to come in contact with the catalyst in the breakdown/modification reaction vessel is shorter than the time for the starting material oil to come in contact with the catalyst in the breakdown/modification reaction vessel.
    • 待解决的问题:提供一种能够从含有多环芳烃的原料油中以高产率制备具有6-8个碳原子的单环芳族烃的单环芳烃的方法。 解决方案:制备单环芳烃的方法具有通过将原料油引入击穿/改性反应容器中并使原料油与催化剂反应接触来获得产物的分解/改性反应步骤, 纯化和收集从分解/改性反应步骤中产生的产物中分离的单环芳烃的氢化反应步骤,氢化从分解/改性反应步骤中产生的产物分离的重馏分, 将氢化反应步骤中得到的重质馏分的氢化物返回到分解/改性反应工序的再循环工序。 在再循环步骤中,重馏分的氢化产物以与起始原料油的引入位置不同的位置被引入到破坏/改性反应容器中,使得重馏分产物的时间 与分解/改性反应容器中的催化剂接触的时间短于原料油与分解/改性反应容器中的催化剂接触的时间。 版权所有(C)2013,JPO&INPIT
    • 10. 发明专利
    • Operation method of aromatic-manufacturing plant of continuous fluidized catalytic system
    • 连续流化催化体系的芳族制造工艺操作方法
    • JP2011202082A
    • 2011-10-13
    • JP2010072372
    • 2010-03-26
    • Chiyoda Kako Kensetsu Kk千代田化工建設株式会社
    • MINAMI HIDEKISUGI YOSHISHIGEFUKUI ATSUSHINAGUMO ATSUOYASUI SUSUMU
    • C10G11/18C07B61/00C07C4/00C07C15/02C10G35/14
    • PROBLEM TO BE SOLVED: To provide an operation method of an aromatic hydrocarbon-manufacturing plant that permits efficient and stable manufacture of an aromatic hydrocarbon and, while a heat-applying vessel is divided into two stages in order to suppress deterioration of an aromatic-manufacturing catalyst, permits effective utilization of pressure energy of a combustion gas discharged from a second heat-applying vessel.SOLUTION: In the operation method of an aromatic-manufacturing plant 10 of a continuous fluidized catalytic system provided with a fluidized bed reactor 12 for bringing a raw material oil such as LCO or the like into contact with an aromatic-manufacturing catalyst, a first heat-applying vessel 14 and the second heat-applying vessel 15 for applying heat to the aromatic-manufacturing catalyst taken out from the inside of the fluidized bed reactor 12, and an air blower 20 for supplying air to the heat-applying vessels, the pressure of the fluidized bed reactor is set to 0.3-0.6 MPaG; the pressure of the second heat-applying vessel is set to 0.1-0.8 MPaG; the pressure of the first heat-applying vessel is made higher than that of the second heat-applying vessel; the temperature of the first heat-applying vessel is made lower than that of the second heat-applying vessel; and the pressure energy of the combustion gas discharged from these heat-applying vessels is utilized as power of the air-blowing means.
    • 要解决的问题:提供一种芳香族烃制造装置的操作方法,其能够有效且稳定地制造芳香烃,并且在将加热容器分成两个阶段以抑制芳族制造的劣化的同时 催化剂,允许有效利用从第二加热容器排出的燃烧气体的压力能量。解决方案:在具有流化床反应器12的连续流化催化系统的芳族制造设备10的操作方法中, 原料油如LCO等与芳族制造催化剂接触,第一加热容器14和第二加热容器15,用于向从流化床内部取出的芳族制备催化剂进行加热 床反应器12和用于向加热容器供给空气的送风机20,将流化床反应器的压力设定为0.3 -0.6MPaG; 第二加热容器的压力设定为0.1-0.8MPaG; 使第一加热容器的压力高于第二加热容器的压力; 使第一加热容器的温度低于第二加热容器的温度; 并且将从这些加热容器排出的燃烧气体的压力能量用作吹风装置的动力。